Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stefan-marr.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 19:17:13 UTC · ↺ Refresh
MX Hostnames
- mail2.stefan-marr.de
MX Priorities
- mail2.stefan-marr.de: 40
A / AAAA Records
- 193.30.121.19 ↩ stefan-marr.de
- 2a03:4000:2a:59b:48f8:39ff:feaa:f064 ↩ stefan-marr.de
Mail Server IPs
- 193.30.121.19 ↩ stefan-marr.de
- 2a03:4000:2a:59b:48f8:39ff:feaa:f064 ↩ stefan-marr.de
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2025082764 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025082764
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
second-dns.netcup.net
root-dns.netcup.net
third-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.30.121.19 ip4:81.20.134.149 ip6:2a03:4000:2a:59b:48f8:39ff:feaa:f064 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:193.30.121.19 ip4:81.20.134.149 ip6:2a03:4000:2a:59b:48f8:39ff:feaa:f064 -all
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